package com.itheima.mapper;

import com.itheima.pojo.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;
@Mapper
public interface DeptMapper {
    /**
     * 查询所有部门
     */
    //提示:@Results,column,property
    @Results({
            @Result(column = "creat_time",property = "createdTime"),
            @Result(column = "updated_time",property = "updatedTime")
    })
    @Select("select * from dept")
    public List<Dept> list();
    /**
     * 根据id删除部门
     */
    @Delete("delete  from dept where id = #{id}")
    void delete(Integer id);

    @Insert("insert into dept (name, create_time, update_time) values (#{name},#{createTime},#{updateTime}) ")
    void add(Dept dept);

    @Update("update dept set name=#{name},update_time=#{updateTime} where id = #{id} ")
    void update(Dept dept);
    @Select("select id,name,create_time,update_time from dept where id=#{id}")
    Dept look(Integer id);

//    @Select("select * from dept where id = #{id}")
//    List<Dept> look(Integer id);
}
